DE2242641C3 - Verfahren zum kontinuierlichen Extrahieren von Polylactamen - Google Patents
Verfahren zum kontinuierlichen Extrahieren von PolylactamenInfo
- Publication number
- DE2242641C3 DE2242641C3 DE2242641A DE2242641A DE2242641C3 DE 2242641 C3 DE2242641 C3 DE 2242641C3 DE 2242641 A DE2242641 A DE 2242641A DE 2242641 A DE2242641 A DE 2242641A DE 2242641 C3 DE2242641 C3 DE 2242641C3
- Authority
- DE
- Germany
- Prior art keywords
- zone
- extraction
- water
- sub
- zones
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000605 extraction Methods 0.000 title claims description 62
- 238000000034 method Methods 0.000 title claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 43
- 238000010438 heat treatment Methods 0.000 claims description 34
- 239000008187 granular material Substances 0.000 claims description 29
- 239000000284 extract Substances 0.000 description 7
- 229920002292 Nylon 6 Polymers 0.000 description 6
- 150000003951 lactams Chemical class 0.000 description 6
- 239000000178 monomer Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical class NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 1
- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 description 1
- 241000069444 Tetrameres Species 0.000 description 1
- 241000863032 Trieres Species 0.000 description 1
- 239000006286 aqueous extract Substances 0.000 description 1
- YDLSUFFXJYEVHW-UHFFFAOYSA-N azonan-2-one Chemical compound O=C1CCCCCCCN1 YDLSUFFXJYEVHW-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/46—Post-polymerisation treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyamides (AREA)
- Extraction Or Liquid Replacement (AREA)
Priority Applications (16)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2242641A DE2242641C3 (de) | 1972-08-30 | 1972-08-30 | Verfahren zum kontinuierlichen Extrahieren von Polylactamen |
AR249818A AR198003A1 (es) | 1972-08-30 | 1973-08-20 | Procedimiento para la extraccion de polilactamas |
IT28055/73A IT998426B (it) | 1972-08-30 | 1973-08-21 | Processo per l estrazione di polilattami |
GB4016473A GB1440946A (en) | 1972-08-30 | 1973-08-24 | Extraction of polylactams |
CA179,823A CA1011897A (en) | 1972-08-30 | 1973-08-28 | Extraction of polylactams |
PL1973164887A PL92485B1 (enrdf_load_stackoverflow) | 1972-08-30 | 1973-08-28 | |
US05/392,243 US4051113A (en) | 1972-08-30 | 1973-08-28 | Extraction of polylactams |
LU68321A LU68321A1 (enrdf_load_stackoverflow) | 1972-08-30 | 1973-08-28 | |
NLAANVRAGE7311834,A NL176466C (nl) | 1972-08-30 | 1973-08-28 | Werkwijze voor het continu extraheren van monomeren en/of oligomeren bevattend polylactamgranulaat met water. |
DD173160A DD105815A5 (enrdf_load_stackoverflow) | 1972-08-30 | 1973-08-28 | |
IE1505/73A IE38137B1 (en) | 1972-08-30 | 1973-08-28 | Extraction of polyalctams |
DK474073A DK135725C (da) | 1972-08-30 | 1973-08-29 | Fremgangsmade til kontinuerlig extraktion af polylactamgranulat |
SU1959000A SU516356A3 (ru) | 1972-08-30 | 1973-08-29 | Способ непрерывной водной экстракции низкомолекул рных соединений из полилактамгранул та |
FR7331214A FR2197922B1 (enrdf_load_stackoverflow) | 1972-08-30 | 1973-08-29 | |
JP48096758A JPS5026595B2 (enrdf_load_stackoverflow) | 1972-08-30 | 1973-08-30 | |
BE135127A BE804236A (fr) | 1972-08-30 | 1973-08-30 | Procede d'extraction de polylactames |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2242641A DE2242641C3 (de) | 1972-08-30 | 1972-08-30 | Verfahren zum kontinuierlichen Extrahieren von Polylactamen |
Publications (3)
Publication Number | Publication Date |
---|---|
DE2242641A1 DE2242641A1 (de) | 1974-04-11 |
DE2242641B2 DE2242641B2 (de) | 1979-10-04 |
DE2242641C3 true DE2242641C3 (de) | 1980-06-19 |
Family
ID=5855008
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2242641A Expired DE2242641C3 (de) | 1972-08-30 | 1972-08-30 | Verfahren zum kontinuierlichen Extrahieren von Polylactamen |
Country Status (16)
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2622463C3 (de) * | 1976-05-20 | 1985-06-05 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Reinigung von crotonsäurehaltigen Copolymerisaten |
DE3026538A1 (de) * | 1980-07-12 | 1982-02-11 | Basf Ag, 6700 Ludwigshafen | Verfahren zur kontinuierlichen extraktion von caprolactam als solches und dessen oligomere enthaltenden waessrigen loesungen |
US4360662A (en) * | 1980-11-19 | 1982-11-23 | Celanese Corporation | Continuous countercurrent extraction process for removing water-soluble impurities from water immiscible polymer solutions |
US4764588A (en) * | 1987-03-09 | 1988-08-16 | Gaf Corporation | Insoluble vinyl lactam clarifiers |
US5496918A (en) * | 1991-09-23 | 1996-03-05 | Alliedsignal Inc. | Process for improving the properties of polymers |
DE19607723C2 (de) * | 1996-02-29 | 2002-10-24 | Polymer Eng Gmbh | Verfahren und Vorrichtung zur kontinuierlichen Extraktion von polymeren Granulaten |
DE19752182A1 (de) * | 1997-11-25 | 1999-05-27 | Basf Ag | Verfahren zur kontinuierlichen Extraktion von Polyamid |
US7468405B2 (en) * | 2002-10-23 | 2008-12-23 | Atofina | Increase in the melting point and the enthalpy of melting of polyamides by a water treatment |
FR2846333B1 (fr) * | 2002-10-23 | 2004-12-03 | Atofina | Augmentation du point de fusion et de l'enthalpie de fusion des polyamides par un traitement a l'eau |
DE102015201969A1 (de) * | 2015-02-04 | 2016-08-04 | Thyssenkrupp Ag | Verfahren und Vorrichtung zur Herstellung von Polyamiden mit optimierter Strömungsführung |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3245964A (en) * | 1962-11-13 | 1966-04-12 | Allied Chem | Continuous extraction of poly-e-caproamide |
US3374207A (en) * | 1964-11-12 | 1968-03-19 | Inventa Ag | Continuous process for the extraction of monomers and oligomers from highly polymerized caprolactam granules |
DE1770097B2 (de) * | 1968-03-30 | 1974-04-18 | Basf Ag, 6700 Ludwigshafen | Verfahren zum kontinuierlichen Extrahieren von körnigen Polyamiden |
US3598537A (en) * | 1968-06-05 | 1971-08-10 | Metallgesellschaft Ag | Continuous liquid extraction of solubles from solids |
-
1972
- 1972-08-30 DE DE2242641A patent/DE2242641C3/de not_active Expired
-
1973
- 1973-08-20 AR AR249818A patent/AR198003A1/es active
- 1973-08-21 IT IT28055/73A patent/IT998426B/it active
- 1973-08-24 GB GB4016473A patent/GB1440946A/en not_active Expired
- 1973-08-28 CA CA179,823A patent/CA1011897A/en not_active Expired
- 1973-08-28 IE IE1505/73A patent/IE38137B1/xx unknown
- 1973-08-28 NL NLAANVRAGE7311834,A patent/NL176466C/xx not_active IP Right Cessation
- 1973-08-28 US US05/392,243 patent/US4051113A/en not_active Expired - Lifetime
- 1973-08-28 LU LU68321A patent/LU68321A1/xx unknown
- 1973-08-28 PL PL1973164887A patent/PL92485B1/xx unknown
- 1973-08-28 DD DD173160A patent/DD105815A5/xx unknown
- 1973-08-29 FR FR7331214A patent/FR2197922B1/fr not_active Expired
- 1973-08-29 DK DK474073A patent/DK135725C/da active
- 1973-08-29 SU SU1959000A patent/SU516356A3/ru active
- 1973-08-30 JP JP48096758A patent/JPS5026595B2/ja not_active Expired
- 1973-08-30 BE BE135127A patent/BE804236A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DK135725B (da) | 1977-06-13 |
DK135725C (da) | 1977-11-21 |
NL7311834A (enrdf_load_stackoverflow) | 1974-03-04 |
JPS4953994A (enrdf_load_stackoverflow) | 1974-05-25 |
NL176466C (nl) | 1985-04-16 |
FR2197922A1 (enrdf_load_stackoverflow) | 1974-03-29 |
DE2242641A1 (de) | 1974-04-11 |
PL92485B1 (enrdf_load_stackoverflow) | 1977-04-30 |
BE804236A (fr) | 1974-02-28 |
NL176466B (nl) | 1984-11-16 |
GB1440946A (en) | 1976-06-30 |
JPS5026595B2 (enrdf_load_stackoverflow) | 1975-09-02 |
FR2197922B1 (enrdf_load_stackoverflow) | 1977-02-25 |
CA1011897A (en) | 1977-06-07 |
IE38137B1 (en) | 1978-01-04 |
DD105815A5 (enrdf_load_stackoverflow) | 1974-05-12 |
LU68321A1 (enrdf_load_stackoverflow) | 1973-10-30 |
US4051113A (en) | 1977-09-27 |
SU516356A3 (ru) | 1976-05-30 |
IT998426B (it) | 1976-01-20 |
AR198003A1 (es) | 1974-05-24 |
DE2242641B2 (de) | 1979-10-04 |
IE38137L (en) | 1974-02-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C3 | Grant after two publication steps (3rd publication) | ||
8339 | Ceased/non-payment of the annual fee |